package security.config;

import java.util.LinkedHashSet;
import java.util.Set;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

import security.core.LocalAuthenticationProvider;

@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    @Autowired
    private UserDetailsService userDetailsService;

    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }
    
    @Override
    public void configure(WebSecurity web) throws Exception{
    	final Set<String> ignored = new LinkedHashSet<>();
    	ignored.add("/css/**");
    	ignored.add("/js/**");
    	web.ignoring().antMatchers(ignored.toArray(new String[ignored.size()]));
    }
    
	@Override
	protected void configure(HttpSecurity http) throws Exception {
		http.authorizeRequests().antMatchers("/registration").permitAll()
								.antMatchers("/filterChain").permitAll()
								.anyRequest().authenticated()
								.and().formLogin().loginPage("/login").permitAll()
								.and().logout().permitAll();
	}

    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        //auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
    	auth.authenticationProvider(localAuthenticationProvider());
    }
    
    @Bean
    public LocalAuthenticationProvider localAuthenticationProvider() {
    	return new LocalAuthenticationProvider();
    }
}
